UK Autumn Budget 2025: Local area analysis

Interactive dashboard exploring how the UK Autumn Budget 2025 affects households at the constituency level.

Live demo: https://autumn-budget-local-area.vercel.app

Features

• Constituency-level analysis: Select any of the 650 UK constituencies to see local impacts
• Policy selection: Toggle individual budget provisions to see their effects
• Year comparison: View projected impacts from 2026-27 to 2030-31
• Multiple visualizations:
  • Impact by family type
  • Household impact trends over time
  • Income distribution analysis (absolute and relative)
  • Interactive constituency map
  • Household scatter plots

Policies included

• 2 child limit repeal
• Fuel duty freeze extension
• Rail fares freeze
• Threshold freeze extension
• Dividend tax increase (+2pp)
• Savings income tax increase (+2pp)
• Property income tax increase (+2pp)
• Student loan repayment threshold freeze
• Salary sacrifice NIC cap

Development

# Install dependencies
npm install

# Run development server
npm run dev

# Build for production
npm run build

Built with

• React + Vite
• D3.js for visualizations
• Recharts for charts

Data

Analysis powered by PolicyEngine.